If the flexor digitorum superficialis contracts to only flex the fingers,the extensor carpi radialis brevis acts as a fixator to do what to the hand at the wrist joint?

Question

Quizplus · Accepted Answer

The flexor digitorum superficialis flexes the fingers, but it has no effect on the wrist joint. The extensor carpi radialis brevis, on the other hand, acts as a fixator to prevent flexion of the hand at the wrist joint while the fingers are being flexed. Therefore, the correct answer is B, prevent flexion.

If the Flexor Digitorum Superficialis Contracts to Only Flex the Fingers,the